Datasheet

9397 750 13362 © Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet Rev. 02 — 15 September 2005 4 of 18
Philips Semiconductors
CBT3244A
Octal bus switch with quad output enables
5.2 Pin description
(1) The die substrate is attached to this pad using conductive die attach material. It cannot be
used as a supply pin or input.
Fig 6. Pin configuration for DHVQFN20
002aab650
CBT3244ABQ
Transparent top view
1B4
1A4
2B1
2A2
2B2 1B3
1A3 2A3
2B3 1B2
1A2 2A4
2B4 1B1
1A1 2OE
GND
2A1
1OE V
CC
9
12
8 13
7 14
6 15
5 16
4 17
3 18
2 19
10 11
1
20
terminal 1
index area
GND
(1)
Table 2: Pin description
Symbol Pin Description
1
OE 1 output enable (active LOW)
1A1, 1A2, 1A3, 1A4 2, 4, 6, 8 inputs
2A1, 2A2, 2A3, 2A4 11, 13, 15, 17 inputs
1B1, 1B2, 1B3, 1B4 18, 16, 14, 12 outputs
2B1, 2B2, 2B3, 2B4 9, 7, 5, 3 outputs
GND 10 ground (0 V)
2
OE 19 output enable (active LOW)
V
CC
20 positive supply voltage